India’s First Underwater Metro Tunnel in Kolkata
The Kolkata Metro Rail Corporation is set to complete India’s first underwater metro tunnel, connecting the East and West metro corridors under the Hooghly river between Howrah and Kolkata. This 520-meter stretch, part of a 16.6 km east-west corridor, is designed to significantly reduce travel time and decongest traffic in the area. The project, costing Rs 8,600 crore, includes safety features like walkways for emergency evacuation and is built 33 meters below the riverbed. The underwater tunnel will connect the IT hub of Salt Lake Sector V to Howrah Maidan, crossing the river. With stations at Esplanade, Mahakaran, Howrah, and Howrah Maidan, the metro aims to transform transportation in Kolkata, making it akin to international standards similar to the Eurostar connection between London and Paris.
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